My observation is very different - seen startups grown by ex-corporate people who found a solution to problem their employer could not fix. Also many startups

My observation is very different - seen startups grown by ex-corporate people who found a solution to problem their employer could not fix. Also many startups are targetting industries led by corporations (like manufacturing or buildings automation) where basically you must know ins and outs of tech and market - and only corporate folks (or ex corporate folks) have that since only corporations are serious players when it comes to this kind of business.